Stacked lithium battery pack structure

Abstract

The utility model relates to the technical field of lithium battery packs, in particular to a stacked lithium battery pack structure which comprises a lithium battery pack main body, fixing seats are mounted at two ends of the lithium battery pack main body, and mounting seats corresponding to the fixing seats on the next lithium battery pack main body are mounted at two ends of the bottom of the lithium battery pack main body. The mounting base is clamped with the fixing base through a clamping mechanism, the clamping mechanism comprises a butt joint assembly and a positioning assembly, the butt joint assembly comprises a pull rod, the pull rod is slidably connected into the mounting base, and an extension groove is formed in the position, located on the outer side of the pull rod, in the mounting base; the lithium battery pack stacking and separating device is simple in structure and convenient to operate, stacking and separating of two lithium battery packs can be completed by pressing and rotating one time, working efficiency is improved, the labor amount of workers is reduced, the workers can conveniently and rapidly assemble and stack the lithium battery packs, and screws for fixing do not need to be rotated one by one.

Description

Technical Field

[0001] The utility model relates to the technical field of lithium battery packs, in particular to a stacked lithium battery pack structure. Background Art

[0002] Lithium battery packs mainly refer to battery components used to store electrical energy. As the application fields of lithium batteries are constantly expanding, in addition to being suitable for electric vehicles, electric assisted bicycles, electronic digital devices and other tools, they have also been converted to home energy storage systems in recent years. When stacking household lithium battery packs, multiple lithium battery packs are stacked inside a cabinet or rack for use. When used at home, the voltage is changed according to the series and parallel connection of multiple lithium battery packs. When stacking existing lithium battery packs, the outer shells of the upper and lower lithium battery packs are generally fixed by screws. This fixing method is relatively cumbersome and requires the staff to twist each set of screws one by one to lock and fix them, which increases the workload of the staff and reduces work efficiency. Therefore, it is urgent to design a stacked lithium battery pack structure to solve the above problems. Utility Model Content

[0003] The purpose of the utility model is to provide a stacked lithium battery pack structure to solve the problems raised in the above background technology.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] A stacked lithium battery pack structure comprises a lithium battery pack body, both ends of which are equipped with fixing seats, both ends of the bottom of the lithium battery pack body are equipped with mounting seats corresponding to the fixing seats on the next group of lithium battery pack bodies, the mounting seats are clamped with the fixing seats through a clamping mechanism, the clamping mechanism comprises a docking assembly and a positioning assembly, the docking assembly comprises a pull rod, the pull rod is slidably connected to the inside of the mounting seat, an extension groove is provided inside the mounting seat and located on the outside of the pull rod, a pull ring is rotatably connected to the top of the pull rod, a movable groove is provided inside the mounting seat and located on the outside of the pull rod, a movable disk slidably connected to the movable groove is installed on the outside of the pull rod, two groups of abutment springs are arranged on one side of the movable disk, a clamping block is installed on the end of the pull rod extending to the outside of the mounting seat, and a positioning block is installed on one end of the clamping block.

[0006] As a preferred solution of the present invention, the cross-section of the clamping blocks is "U"-shaped.

[0007] As a preferred solution of the utility model, the positioning assembly includes a rotating disk, a mounting groove is provided inside the fixed seat, the rotating disk is rotatably connected to the inner side of the mounting groove, springs are installed at both ends of the top of the rotating disk, a fixed disk is installed at the top of the spring, a positioning groove is provided at the top of the fixed disk and is engaged with the positioning block, a docking groove extending to the inner side of the mounting groove is provided at one end of the fixed seat, and clamping grooves are provided at both ends of the top of the mounting groove inside the fixed seat, the clamping groove and the clamping block are engaged, and the docking groove and the clamping block are engaged.

[0008] As a preferred solution of the utility model, the top surface of the fixing seat is higher than the top surface of the lithium battery pack body, and the bottom surface of the mounting seat is higher than the bottom surface of the lithium battery pack body.

[0009] As a preferred solution of the utility model, a closed groove is provided inside the mounting seat below the extension groove, a cover plate is slidably connected to the inner side of the closed groove, sliding grooves are provided inside the mounting seat on both sides of the closed groove, and sliding blocks slidably connected to the sliding grooves are installed on both sides of the cover plate.

[0010] As a preferred solution of the utility model, a first fixing piece is embedded and installed at one end of the cover plate, a second fixing piece corresponding to the first fixing piece is embedded and installed on the inner wall of the extension groove, and a buckle groove is opened on one side of the cover plate.

[0011] As a preferred solution of the utility model, one of the first fixing member and the second fixing member is a first magnet, and the other of the first fixing member and the second fixing member is a second magnet, and the magnetic poles of the first magnet and the second magnet are opposite and attract each other.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. In the utility model, after the fixing seat and the mounting seat are fitted together, the clamping blocks at both ends are aligned with the docking grooves and inserted into them, and then the pull ring is buckled to push the pull rod inward, and the positioning block and the positioning groove can be used to squeeze the fixed disk, the abutment spring, and the spring move downward, and then the rotating disk is driven to rotate, and the clamping block is rotated to the horizontal direction and the pull ring is released to make the protruding ends on both sides of the clamping block inserted into the inner sides of the clamping groove to complete the fixation. When disassembling, it is only necessary to hold the pull ring and push the pull rod to squeeze the fixed disk, and the clamping block can be rotated to the longitudinal direction and then released to be pulled out of the docking groove to complete the disassembly. The structure is simple and the operation is convenient. The stacking and separation of two groups of lithium battery packs can be completed by one press and one turn, which improves the work efficiency, reduces the workload of the staff, and is convenient for the staff to quickly assemble and stack the lithium battery packs without rotating the screws used for fixing one by one.

[0014] 2. In the utility model, the cover plate is moved by buckling the buckle groove in cooperation with the sliding block and the sliding groove, so that the first fixing member embedded in one end of the cover plate and the second fixing member embedded in the inner wall of the extension groove are adsorbed and fixed to cover the handle on the inner side of the extension groove, thereby preventing the lithium battery packs from being dislocated due to accidental touch operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 For this utility model Figure 1 Schematic diagram of the structure of part A;

[0017] Figure 3 It is a partial cross-sectional structural schematic diagram of the utility model.

[0018] In the figure: 1. lithium battery pack body; 2. fixing seat; 3. mounting seat; 4. pull rod; 5. extension slot; 6. movable disk; 7. abutment spring; 8. clamping block; 9. positioning block; 10. rotating disk; 11. mounting slot; 12. spring; 13. fixing disk; 14. docking slot; 15. clamping slot; 16. cover plate; 17. sliding slot; 18. first fixing member. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0020] Example:

[0021] See also Figure 1-Figure 3 , the utility model provides a technical solution:

[0022] A stacked lithium battery pack structure includes a lithium battery pack body 1, both ends of the lithium battery pack body 1 are equipped with a fixing seat 2, both ends of the bottom of the lithium battery pack body 1 are equipped with a mounting seat 3 corresponding to the fixing seat 2 on the next group of lithium battery pack bodies 1, the mounting seat 3 is clamped with the fixing seat 2 through a clamping mechanism, the clamping mechanism includes a docking assembly and a positioning assembly, the docking assembly includes a pull rod 4, the pull rod 4 is slidably connected to the inside of the mounting seat 3, an extension groove 5 is opened inside the mounting seat 3 on the outside of the pull rod 4, a pull ring is rotatably connected to the top of the pull rod 4, a movable groove is opened inside the mounting seat 3 on the outside of the pull rod 4, and the outside of the pull rod 4 is A movable disk 6 is installed on the side thereof and is slidably connected to the movable groove. Two sets of abutment springs 7 are arranged and installed on one side of the movable disk 6. A clamping block 8 is installed on one end of the pull rod 4 extending to the outside of the mounting seat 3. A positioning block 9 is installed on one end of the clamping block 8. The cross-section of the clamping block 8 is "U"-shaped. The positioning assembly includes a rotating disk 10. A mounting groove 11 is opened inside the fixed seat 2. The rotating disk 10 is rotatably connected to the inner side of the mounting groove 11. Springs 12 are installed on both ends of the top of the rotating disk 10. A fixed disk 13 is installed on the top of the spring 12. A positioning groove engaged with the positioning block 9 is opened on the top of the fixed disk 13. One end of the fixed seat 2 A docking groove 14 extending to the inner side of the mounting groove 11 is provided, and a card slot 15 is provided at both ends of the top of the mounting groove 11 inside the fixing seat 2, and the card slot 15 is connected with the card block 8 by card engagement, and the docking groove 14 and the card block 8 are connected by card engagement, and the top surface of the fixing seat 2 is higher than the top surface of the lithium battery pack body 1, and the bottom surface of the mounting seat 3 is higher than the bottom surface of the lithium battery pack body 1. When the device is in use, the fixing seat 2 and the mounting seat 3 are attached, and the card blocks 8 at both ends are aligned with the docking groove 14 and inserted, and then the pull ring is buckled to push the pull rod 4 inward, and the positioning block 9 and the positioning groove can be used to squeeze the fixing plate 13 and the abutment spring 7. The spring 12 moves downward, and then drives the rotating disk 10 to rotate. After the card block 8 is rotated to the horizontal direction, the pull ring is released so that the raised ends on both sides of the card block 8 are inserted into the inner sides of the card slot 15 to complete the fixation. When disassembling, you only need to hold the pull ring and push the pull rod 4 to squeeze the fixed disk 13. After the card block 8 is rotated to the longitudinal direction, it can be pulled out from the docking groove 14 to complete the disassembly. The structure is simple and the operation is convenient. The stacking and separation of two groups of lithium battery packs can be completed by one press and one turn, which improves the work efficiency, reduces the workload of the staff, and is convenient for the staff to quickly assemble and stack the lithium battery packs without rotating the screws used for fixing one by one.

[0023] In this embodiment, if Figure 1 , Figure 2 and Figure 3As shown, a closed groove is provided inside the mounting seat 3 below the extension groove 5, and a cover plate 16 is slidably connected to the inner side of the closed groove. Sliding grooves 17 are provided on both sides of the closed groove inside the mounting seat 3, and sliding blocks slidably connected to the sliding grooves 17 are installed on both sides of the cover plate 16. A first fixing piece 18 is embedded and installed at one end of the cover plate 16, and a second fixing piece corresponding to the first fixing piece 18 is embedded and installed on the inner wall of the extension groove 5. A buckling groove is provided on one side of the cover plate 16, one of the first fixing piece 18 and the second fixing piece is a first magnet, and the other of the first fixing piece 18 and the second fixing piece is a second magnet. The magnetic poles of the first magnet and the second magnet are opposite and attract each other. The cover plate 16 is driven to move by buckling the buckling groove in conjunction with the sliding block and the sliding groove 17, so that the first fixing piece 18 embedded at one end of the cover plate 16 and the second fixing piece embedded in the inner wall of the extension groove 5 are adsorbed and fixed to cover the handle on the inner side of the extension groove 5 to prevent the lithium battery packs from being dislocated and misaligned due to accidental touch operation.

[0024] The implementation principle of a stacked lithium battery pack structure of the embodiment of the present application is as follows: when the device is in use, after the fixing seat 2 and the mounting seat 3 are fitted together, the clamping blocks 8 at both ends are aligned with the docking grooves 14 and inserted, and then the pull ring is buckled to push the pull rod 4 inward, and the positioning block 9 and the positioning groove can be used to squeeze the fixed disk 13, the abutment spring 7 and the spring 12 move downward, and then the rotating disk 10 is driven to rotate, and the clamping block 8 is rotated to the horizontal direction and then the pull ring is released so that the protruding ends on both sides of the clamping block 8 are inserted into the inner sides of the clamping grooves 15 to complete the fixation. When disassembling, it is only necessary to hold the pull ring to push the pull rod 4 to squeeze the fixed disk 13, and the clamping block 8 is rotated to the longitudinal direction and then released to be removed. The disassembly is completed by pulling out from the docking slot 14. The structure is simple and the operation is convenient. The stacking and separation of the two groups of lithium battery packs can be completed by pressing and turning, which improves the work efficiency and reduces the workload of the staff. It is convenient for the staff to quickly assemble and stack the lithium battery packs without rotating the screws for fixing one by one. The cover plate 16 is driven to move by buckling the buckle groove in conjunction with the sliding block and the sliding groove 17, so that the first fixing piece 18 embedded in one end of the cover plate 16 and the second fixing piece embedded in the inner wall of the extension groove 5 are adsorbed and fixed to the handle cover on the inner side of the extension groove 5 to prevent the lithium battery packs from being dislocated due to accidental touch operation.

[0025] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A stacked lithium battery pack structure, comprising a lithium battery pack body (1), characterized in that: Both ends of the lithium battery pack body (1) are equipped with a fixing seat (2), and both ends of the bottom of the lithium battery pack body (1) are equipped with a mounting seat (3) corresponding to the fixing seat (2) on the next group of lithium battery pack bodies (1). The mounting seat (3) is clamped with the fixing seat (2) through a clamping mechanism, and the clamping mechanism includes a docking assembly and a positioning assembly. The docking assembly includes a pull rod (4), and the pull rod (4) is slidably connected to the inside of the mounting seat (3). An extension groove (5) is provided inside the mounting seat (3) and is located outside the pull rod (4). A pull ring is rotatably connected to the top of the pull rod (4). A movable groove is provided inside the mounting seat (3) and is located outside the pull rod (4). A movable disk (6) slidably connected to the movable groove is installed on the outside of the pull rod (4). Two groups of abutment springs (7) are arranged on one side of the movable disk (6). One end of the pull rod (4) extending to the outside of the mounting seat (3) is equipped with a clamping block (8), and one end of the clamping block (8) is equipped with a positioning block (9).

2. A stacked lithium battery pack structure according to claim 1, characterized in that: The cross-sections of the clamping blocks (8) are all U-shaped.

3. The stacked lithium battery pack structure according to claim 1, characterized in that: The positioning assembly comprises a rotating disk (10), a mounting groove (11) is provided inside the fixing seat (2), the rotating disk (10) is rotatably connected to the inner side of the mounting groove (11), springs (12) are installed at both ends of the top of the rotating disk (10), a fixing disk (13) is installed at the top of the spring (12), a positioning groove is provided at the top of the fixing disk (13) and is engaged with the positioning block (9), a docking groove (14) is provided at one end of the fixing seat (2) and extends to the inner side of the mounting groove (11), and a clamping groove (15) is provided at both ends of the top of the fixing seat (2) and is located at the mounting groove (11), the clamping groove (15) is engaged with the clamping block (8), and the docking groove (14) is engaged with the clamping block (8).

4. The stacked lithium battery pack structure according to claim 1, characterized in that: The top surface of the fixing seat (2) is higher than the top surface of the lithium battery pack body (1), and the bottom surface of the mounting seat (3) is higher than the bottom surface of the lithium battery pack body (1).

5. The stacked lithium battery pack structure according to claim 1, characterized in that: A closed groove is provided inside the mounting seat (3) below the extension groove (5), a cover plate (16) is slidably connected to the inside of the closed groove, sliding grooves (17) are provided inside the mounting seat (3) on both sides of the closed groove, and sliding blocks slidably connected to the sliding grooves (17) are installed on both sides of the cover plate (16).

6. A stacked lithium battery pack structure according to claim 5, characterized in that: A first fixing member (18) is embedded and installed at one end of the cover plate (16), a second fixing member corresponding to the first fixing member (18) is embedded and installed on the inner wall of the extension groove (5), and a buckle groove is opened on one side of the cover plate (16).

7. A stacked lithium battery pack structure according to claim 6, characterized in that: One of the first fixing member (18) and the second fixing member is a first magnet, and the other of the first fixing member (18) and the second fixing member is a second magnet. The magnetic poles of the first magnet and the second magnet are opposite and attract each other.

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